BioKnowledgy 2.6 Structure of DNA and RNA from Chris Paine.
What is DNA? – Stated Clearly (5m 24s):
DNA structure (a very simple animation in 1m 20s):
Find a video lesson on this sub-topic at Dan Rott videos, or many assessment statements are covered by Stephanie Castle (with more being added all the time).
An animated tutorial from McGraw Hill Education – DNA Structure & some excellent interactive animations & tutorials on DNA – just click on ‘Tour the Basics’ & ‘Build a DNA molecule’.
DNA Structure – another vid (in 3m 6s) and here is Mr W’s DNA, fantastic! rap.
How to draw a molecule of DNA (thank you Stephanie Castle):